Multimedia Board Schematics
Multimedia Board Schematics
Multimedia Board Schematics
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5<br />
5<br />
AUDIO_5V<br />
4<br />
4<br />
3<br />
U26<br />
D D<br />
AUDIO_LEFT<br />
20K 5%<br />
L_SPKR_NEG<br />
L_SPKR_POS<br />
C<br />
AUDIO_RIGHT<br />
20K 5%<br />
R10<br />
C7<br />
0.33uF @ 35V<br />
R9<br />
20K 5%<br />
22<br />
9<br />
10<br />
BYPASS<br />
BFB<br />
BIN<br />
POWER HP_IN<br />
AMP<br />
+OUTB<br />
-OUTB<br />
21<br />
28<br />
26<br />
R8<br />
100K 5%<br />
R_SPKR_POS<br />
R_SPKR_NEG<br />
J9<br />
RIGHT<br />
SPEAKER<br />
3<br />
11<br />
10<br />
2<br />
1<br />
HEADPHONE<br />
OUTPUT<br />
PHONEJACK STEREO<br />
C<br />
20K 5%<br />
0.33uF @ 35V<br />
R11<br />
R12<br />
AUDIO_AMP_SHUTDOWN<br />
2<br />
SHUTDOWN<br />
BR1<br />
25<br />
B<br />
C10<br />
10K THUMBWHEEL POT<br />
B<br />
AUDIO_GND<br />
VCC5V0<br />
AUDIO_GND<br />
AUDIO_5V<br />
A L2<br />
A<br />
GND<br />
L1<br />
FERRITE BEAD<br />
2961666671<br />
+ C11<br />
10uF @ 16V<br />
FERRITE BEAD<br />
2961666671<br />
C1<br />
0.1uF<br />
R7<br />
+ C12<br />
1uF @ 20V<br />
C2<br />
0.1uF<br />
C6<br />
+<br />
+<br />
AUDIO_GND<br />
C3 + C4<br />
0.1uF 10uF @ 16V<br />
R6<br />
20K 5%<br />
1uF @ 20V<br />
+<br />
11<br />
13<br />
12<br />
5<br />
4<br />
3<br />
LM4835 AUDIO AMP<br />
AUDIO<br />
INTERNAL GAIN SELECT<br />
VOLUME<br />
CONNECT EXPOSED DAP<br />
TO EXPOSED GROUND<br />
PLANE<br />
1<br />
6<br />
BEEP<br />
A_FB<br />
AIN<br />
GND<br />
VDD<br />
MUTE<br />
MODE<br />
GND<br />
8<br />
16<br />
VDD<br />
GND<br />
14<br />
GND<br />
20<br />
27<br />
VDD<br />
AR2<br />
AR1<br />
-OUTA<br />
+OUTA<br />
BR2<br />
GND<br />
23<br />
19<br />
18<br />
17<br />
15<br />
24<br />
7<br />
R3<br />
20K 5%<br />
R13<br />
20K 5%<br />
AUDIO_GND<br />
3<br />
R4<br />
20K 5%<br />
C9<br />
0.1uF<br />
R5<br />
C484<br />
20K 5%<br />
20K 5%<br />
C485<br />
68nF<br />
68nF<br />
R1<br />
AUDIO_GND<br />
AUDIO_5V<br />
VOLUME<br />
C5 220uF @ 10V<br />
+<br />
+<br />
C8 220uF @ 10V<br />
2<br />
J8<br />
2<br />
R15<br />
1K0 5%<br />
LEFT<br />
SPEAKER<br />
Title<br />
R14<br />
1K0 5%<br />
XILINX INC.<br />
R2<br />
100K 5%<br />
2100 Logic Drive San Jose California USA 95124<br />
AUDIO POWER AMPLIFIER<br />
J7<br />
Size Document Number Rev<br />
B 0381112 Microblaze & <strong>Multimedia</strong> Demonstration <strong>Board</strong><br />
Rick Ballantyne Xilinx Labs<br />
01<br />
Date: Tuesday, October 22, 2002 Sheet<br />
1<br />
1 of 35<br />
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